Celery: Distributed Task Queue

Celery is an asynchronous task queue/job queue based on distributed message passing. It is focused on real-time operation, but supports scheduling as well.

The execution units, called tasks, are executed concurrently on a single or more worker servers using multiprocessing, Eventlet, or gevent. Tasks can execute asynchronously (in the background) or synchronously (wait until ready).

Celery is used in production systems to process millions of tasks a day.

Jobtastic is a python library that adds useful features to your Celery tasks. Specifically, these are features you probably want if the results of your jobs are expensive or if your users need to wait while they compute their results.

Who is using celery

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We welcome any kind of contribution that will be exclusively used for improving Celery.